#include<bits/stdc++.h>
using namespace std;

void test_list1() {
	list<int> lt1;
	lt1.push_back(1);
	lt1.push_back(2);
	lt1.push_back(2);
	lt1.push_back(4);
	list<int>::iterator it1 = lt1.begin();
	while (it1 != lt1.end()) {
		cout << *it1 << " ";
		++it1;
	} 
	cout << endl;
	lt1.splice(lt1.end(), lt1, lt1.begin());
	for (auto e : lt1) {
		cout << e << " ";
	}
	cout << endl;
}
#include"list.h"

struct A {
	int _a1, _a2;
	
};
void test_wclist1() {
	/*wc::list<int> lt1;
	lt1.push_back(1);
	lt1.push_back(2);
	lt1.push_back(3);
	lt1.push_back(4);
	wc::list<int>::iterator it1 = lt1.begin();
	while (it1 != lt1.end()) {
		cout << *it1 << " ";
		++it1;
	}*/
	wc::list<int> lt1;
	lt1.push_back(1);
	lt1.push_back(2);
	lt1.push_back(3);
	lt1.push_back(4);
	lt1.pop_front();
	for (auto e : lt1) {
		cout << e << " ";
	}
}
int main(){
	//test_list1();
	test_wclist1();
	return 0;
}